Английская Википедия:Astrolepis cochisensis

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Astrolepis cochisensis is a species of fern known by the common name Cochise scaly cloak fern. It is native to the southwestern United States and northern Mexico, where it occupies mainly desert habitat, often on calcareous soils.

Description

The fern grows from a short rhizome. The rhizome bears tan scales, sometimes dark at the base, which are up to Шаблон:Convert long and may or may not have hairlike small teeth on the edge.Шаблон:Sfn The leaves are Шаблон:Convert long, and divided into 20 to 50 pairs of pinnae (leaflets) which are sometimes lobed.Шаблон:Sfn The pinnae are oblong and the largest specimens typically measure Шаблон:Convert long. Some lack lobes altogether; others bear 1 to 4 lobes, asymmetrically arranged on the pinna. The lobes are broadly rounded, and the indentations between them are shallow.Шаблон:Sfn

The leaflets are coated in star-shaped scales on the upper surface and hairy lance-shaped scales beneath.

Notes and references

References

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Works cited

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External links

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Шаблон:Pteridaceae-stub